Effects of the [PS]0 : [Fe2+]0 ratio on TP degradation in a TCAP system. Initial and final pH values are presented for every case. Experimental conditions: [PS]0 = 0.25, 1 and 5 mM, [PS]0 : [Fe2+]0 ratios of 1 : 1, 2 : 1 and 10 : 1, and T = 60 °C.
| [PS]0 : [Fe2+]0 | [PS]0 mM | [Fe2+]0 mM | pHi/pHf |
|---|---|---|---|
| 10 : 1 | 0.25 | 0.025 | 3.50/3.30 |
| 1 | 0.1 | 2.79/2.7 | |
| 5 | 0.5 | 2.19/2.07 | |
| 2 : 1 | 0.25 | 0.125 | 2.97/2.85 |
| 1 | 0.5 | 2.53/2.9 | |
| 5 | 0.25 | 1.84/1.79 | |
| 1 : 1 | 0.25 | 0.25 | 2.81/2.54 |
| 1 | 1 | 2.23/2.12 | |
| 5 | 5 | 1.63/1.54 |